Spiderweb,
Cobweb

A spider web, spiderweb, spider's
web or cobweb (from the obsolete word coppe, meaning
"spider") is a device built by a spider
out of proteinaceous spider silk extruded from its
spinnerets.

Spider webs have existed for at least 140 million
years, as witnessed in a rare find of Early Cretaceous
amber from Sussex, southern England.

Insects can get trapped in spider webs, providing
nutrition to the spider; however, not all spiders
build webs to catch prey, and some do not build
webs at all. The main difference between spider
webs and cobwebs is that spider webs are still in
use, while cobwebs are webs that have been abandoned.

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